时效路径对Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金沉淀析出行为的影响
朱亮1, 郭明星1,2(
), 袁波1, 庄林忠1,2, 张济山1,2
), 袁波1, 庄林忠1,2, 张济山1,2
Effect of Ageing Routes on Precipitation Behaviors of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn Alloy
ZHU Liang1, GUO Mingxing1,2(), YUAN Bo1, ZHUANG Linzhong1,2, ZHANG Jishan1,2
), YUAN Bo1, ZHUANG Linzhong1,2, ZHANG Jishan1,2
图6. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金过时效态的TEM像、HRTEM像及对应的FFT图
Fig.6. TEM bright field images (a, b), HRTEM images and FFT (insets) (c~f) of precipitates in Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys after isothermal ageing to over ageing
(a) AQ+over ageing (b) PA+over ageing (c) HRTEM analysis of β′ precipitates in Fig.6a(d) HRTEM analysis of β″ precipitates in Fig.6a (e, f) HRTEM analyses of L and Q′ precipitates in Fig.6b
